add logs viewer for email server

src/views/email.js

@@ -30,6 +30,10 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
         { name: 'PTR', value: 'ptr' }
     ];
 
+    $scope.showLogs = function () {
+        window.open('/logs.html?id=mail', 'Logs', 'width=1024,height=800').focus();
+    };
+
     $scope.showView = function (view) {
         // wait for dialog to be fully closed to avoid modal behavior breakage when moving to a different view already
         $('.modal').on('hidden.bs.modal', function () {